Vertically centrifugal casting of tie-in has been introduced, which includes principia of design and technological coefficient. 摘要介绍了管接头铸件立式离心铸造工艺，其中包括设计原则和工艺参数。
Double-ended pouring technology is used to compound high-chromium resistant cast iron in internal-wall of steel pipe with centrifugal casting. 介绍了托轮式离心铸造机双头浇注技术在钢管内壁复合高铬耐磨铸铁复合管的生产工艺。
